Repeater access tone burst generator

Homebrew - ORIGINAL, Europe others

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  • Year
  • 1981
  • Category
  • Amateur Equipment (Other, but not Key)
  • Radiomuseum.org ID
  • 304512

 Technical Specifications

  • Number of Transistors
  • Wave bands
  • - without
  • Power type and voltage
  • Powered by external power supply or a main unit. / 13 Volt
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: Repeater access tone burst generator - Homebrew - ORIGINAL, Europe
  • Shape
  • Very small Portable or Pocket-Set (Handheld) < 8 inch.
  • Dimensions (WHD)
  • 60 x 50 x 132 mm / 2.4 x 2 x 5.2 inch
  • Notes

  • The tone generator connects to a VHF transceiver to generate the tones required for repeater access. When enabled, it produces a 500 ms burst of the selected frequency at the start of each transmission. A continuous tone is also generated if the push button is pressed.

    The following repeater access tone frequencies can be selected by the rotary switch:
    1160 Hz
    1165 Hz
    1595 Hz
    1750 Hz
    Tone accuracy +- 2.5 Hz.
    The output amplitude is adjustable up to 12v pk-pk.

    Semiconductors:
    NE556 Dual timer
    IN914 Diode

    The tone generator is powered from the transceiver to which it is connected.

    Built in an Eddystone diecast box.

  • Net weight (2.2 lb = 1 kg)
  • 0.2 kg / 0 lb 7 oz (0.441 lb)
  • Author
  • Model page created by Bruce Taylor. See "Data change" for further contributors.

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